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package org.apache.taglibs.standard.examples.taglib;
import javax.servlet.jsp.JspTagException;
/**
* <p>NullAttributeException is a JspTagException that will be thrown
* by the JSTL RI handlers when a tag attribute illegally evaluates
* to 'null'.</p>
*
* @author Shawn Bayern
*/
public class NullAttributeException extends JspTagException {
/**
* Constructs a ExpressionException with appropriate information.
*
* @param tag The name of the tag in which the error occurred.
* @param att The attribute value for which the error occurred.
*/
public NullAttributeException(String tag, String att) {
super("The '" + att + "' attribute illegally evaluated to 'null' "
+ "in <" + tag + ">.");
}
}
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